Home / 196,728,028.20-295,280,999.10-99,793,189.80

Finding the Fourth Proportional to 196,728,028.20, 295,280,999.10 and 99,793,189.80

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Solution

The fourth proportional to 196,728,028.20, 295,280,999.10 and 99,793,189.80 is: 149,785,635.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,728,028.20 : 295,280,999.10 = 99,793,189.80 : x
  2. Step 2: Convert to fraction form
    196,728,028.20/295,280,999.10 = 99,793,189.80/x
  3. Step 3: Cross multiply
    196,728,028.20x = 295,280,999.10 × 99,793,189.80
  4. Step 4: Simplify right side
    196,728,028.20x = 29,467,032,787,519,932
  5. Step 5: Solve for x
    x = 29,467,032,787,519,932/196,728,028.20
  6. Step 6: Final answer
    x = 149,785,635.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.